* {
    margin: 0;
    padding: 0;
    box-s
}

html, body {
    width: 100%;
    height: 100%;
    background-image: url(../pic/dog.jpg);
    background-size: cover;
    background-position: center center;
}

.nav {
    height: 50px;
    width: 100%;
    color: white;
    background-color: rgba(144, 141, 141, 0.5);

    display: flex;
    justify-content: center;
    align-items: center;
}

.nav > img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 5px 10px;
}

.nav > .space {
    width: 60%;
    display: inline;
}

.nav > .blog-title {
    width: 100px;
}

.nav > .nav-span {
    width: 80px;
    text-decoration: none;
    color: white;
}

.container {
    width: 50%;
    height: 510px;
    margin-top: 50px;
    margin: 50px auto;
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 10px;
}

.container h2{
    text-align: center;
    font-weight: bold;
    margin: 1em 0;
}

.form-group {
    margin-top: 30px;
    font-size: 18px;
}

.form-group .btn-lg{
    width: 150px;
    font-size: 1.25rem;
}

